<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品名称" prop="productName">
        <el-input
          v-model="queryParams.productName"
          placeholder="请输入商品名称"
          clearable
          @keyup.enter="handleQuery"
        />
      </el-form-item>
      <el-form-item label="预警状态" prop="warningStatus">
        <el-select v-model="queryParams.warningStatus" placeholder="预警状态" clearable>
          <el-option label="正常" value="0" />
          <el-option label="预警" value="1" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="Edit"
          @click="handleWarningBatch"
          v-hasPermi="['ich:stock:warning']"
        >批量设置预警</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="Download"
          @click="handleExport"
          v-hasPermi="['ich:stock:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="stockList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="商品ID" align="center" prop="productId" />
      <el-table-column label="商品名称" align="center" prop="productName" :show-overflow-tooltip="true"/>
      <el-table-column label="当前库存" align="center" prop="stock" />
      <el-table-column label="预警库存" align="center" prop="warningStock" />
      <el-table-column label="预警状态" align="center">
        <template #default="scope">
          <el-tag :type="scope.row.stock < scope.row.warningStock ? 'danger' : 'success'">
            {{ scope.row.stock < scope.row.warningStock ? '库存不足' : '库存充足' }}
          </el-tag>
        </template>
      </el-table-column>
      <el-table-column label="更新时间" align="center" prop="updateTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.updateTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button
            type="text"
            icon="Edit"
            @click="handleWarning(scope.row)"
            v-hasPermi="['ich:stock:warning']"
          >设置预警</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 预警设置对话框 -->
    <el-dialog :title="title" v-model="open" width="500px" append-to-body>
      <el-form ref="warningForm" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="预警库存" prop="warningStock">
          <el-input-number v-model="form.warningStock" :min="0" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Stock">
import { getCurrentInstance, ref, reactive, toRefs } from 'vue';
import { listStock, getStock, updateWarningStock, updateWarningStockBatch } from "@/api/ich/stock";

const { proxy } = getCurrentInstance();

const stockList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    productName: undefined,
    warningStatus: undefined
  },
  rules: {
    warningStock: [
      { required: true, message: "预警库存不能为空", trigger: "blur" }
    ]
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询库存列表 */
function getList() {
  loading.value = true;
  listStock(queryParams.value).then(response => {
    stockList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

/** 取消按钮 */
function cancel() {
  open.value = false;
  reset();
}

/** 表单重置 */
function reset() {
  form.value = {
    productId: undefined,
    warningStock: undefined
  };
  proxy.resetForm("warningForm");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryForm");
  handleQuery();
}

/** 多选框选中数据 */
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.productId);
  single.value = selection.length !== 1;
  multiple.value = !selection.length;
}

/** 预警设置按钮操作 */
function handleWarning(row) {
  reset();
  const productId = row.productId;
  getStock(productId).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "预警设置";
  });
}

/** 批量预警设置按钮操作 */
function handleWarningBatch() {
  if (ids.value.length === 0) {
    proxy.$modal.msgError("请选择需要设置的商品");
    return;
  }
  reset();
  open.value = true;
  title.value = "批量预警设置";
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["warningForm"].validate(valid => {
    if (valid) {
      if (ids.value.length > 0) {
        form.value.productIds = ids.value;
        updateWarningStockBatch(form.value).then(response => {
          proxy.$modal.msgSuccess("批量设置成功");
          open.value = false;
          getList();
        });
      } else {
        updateWarningStock(form.value).then(response => {
          proxy.$modal.msgSuccess("设置成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('ich/stock/export', {
    ...queryParams.value
  }, `stock_${new Date().getTime()}.xlsx`);
}

getList();
</script> 